public static FilterItem[] ParseFilterString(string filterString,
string existing,
out int existingIndex)
{
List <FilterItem> result = new List <FilterItem>();
string[] items;
existingIndex = -1;
if (filterString != string.Empty)
{
items = filterString.Split('|');
}
else
{
items = new string[0];
}
if ((items.Length % 2) != 0)
{
throw new ArgumentException(
"Filter string you provided is not valid. The filter " +
"string must contain a description of the filter, " +
"followed by the vertical bar (|) and the filter pattern." +
"The strings for different filtering options must also be " +
"separated by the vertical bar. Example: " +
"\"Text files|*.txt|All files|*.*\"");
}
for (int n = 0; n < items.Length; n += 2)
{
FilterItem item = new FilterItem(items[n], items[n + 1]);
result.Add(item);
if (item.Filter == existing)
{
existingIndex = result.Count - 1;
}
}
return(result.ToArray());
}
/*
[Obsolete("Not Used", true)]
public static FilterItem[] ParseFilterString(string filterString) {
int dummy;
return ParseFilterString(filterString, string.Empty, out dummy);
}
*/
/// <summary>
/// Takes a string (representing a list of filters like: "txt|All files|") and converts it into a FilterItem[]
/// </summary>
/// <param name="filterString">The string representing a list of filters like: "txt|All files|"</param>
/// <param name="existing">Not Sure</param>
/// <param name="existingIndex">Sets the index of the currently selected item in the <see cref="FileFilterComboBox"/></param>
/// <returns></returns>
public static FilterItem[] ParseFilterString(string filterString, string existing, out int existingIndex)
{
var result = new List<FilterItem>();
existingIndex = -1;
string[] items = filterString != string.Empty ? filterString.Split('|') : new string[0];
if ((items.Length % 2) != 0)
{
throw new ArgumentException(
@"Filter string you provided is not valid. The filter string must contain a description of the filter,
followed by the vertical bar (|) and the filter pattern. The strings for different filtering options must also be
separated by the vertical bar. Example: " + "\"Text files|*.txt|All files|*.*\""
);
}
for (int n = 0; n < items.Length; n += 2)
{
var item = new FilterItem(items[n], items[n + 1]);
result.Add(item);
if (item.Filter == existing) existingIndex = result.Count - 1;
}
return result.ToArray();
}